CN111843566A

CN111843566A - Automatic change clamping device for machining

Info

Publication number: CN111843566A
Application number: CN202010733442.2A
Authority: CN
Inventors: 亢红波
Original assignee: Xian University of Posts and Telecommunications
Current assignee: Xian University of Posts and Telecommunications
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-10-30
Anticipated expiration: 2040-07-27
Also published as: CN111843566B

Abstract

The invention discloses a clamping device for automatic machining, which comprises a machine base, wherein two sides of the upper end of the machine base are respectively provided with a side plate, one side of each side plate is connected with a first air cylinder, the output end of the first air cylinder is connected with a first clamping plate, the upper end of the first clamping plate is provided with an L-shaped jack, the upper end of the L-shaped jack is communicated with the upper end of the first clamping plate, the lower end of the L-shaped jack is communicated with the outer side of the first clamping plate, and the top of each side plate is connected with a cross beam; the clamping device can meet the clamping requirements of large and small accessories during processing respectively, is convenient to connect and separate, has simple and convenient operation procedures of connection, and is high in efficiency and time-saving; the clamping fixture has the advantages that the clamping fixture is stable and does not shake in the clamping process of large accessories, the quality of subsequent processing is improved, the phenomenon of large processing errors caused by unstable clamping is avoided, the upper end and the lower end of mechanical accessories are comprehensively clamped and fixed, and the using effect is good.

Description

Automatic change clamping device for machining

Technical Field

The invention relates to the technical field of clamping devices for machining, in particular to a clamping device for automatic machining.

Background

With the development of manufacturing industry, the use requirements of machines and accessories thereof are increasing, and in the machining process, a machining workpiece needs to be fixed and then subjected to machining processes such as punching. The existing part of fixing clamps can not meet the clamping use of large and small fittings at the same time, and can not be selectively adjusted according to requirements, so that the clamping device for automatic machining is provided.

Disclosure of Invention

The present invention is directed to a clamping device for automatic machining, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a clamping device for automatic machining comprises a machine base, wherein side plates are respectively installed on two sides of the upper end of the machine base, a first air cylinder is connected to one side of each side plate, the output end of the first air cylinder is connected with a first clamping plate, an L-shaped insertion hole is formed in the upper end of the first clamping plate, the upper end of the L-shaped insertion hole is communicated with the upper end of the first clamping plate, the lower end of the L-shaped insertion hole is communicated with the outer side of the first clamping plate, a cross beam is connected to the top of each side plate, a second air cylinder is respectively installed on two sides of the lower end of the cross beam through a sliding structure, a second clamping plate is arranged at the output end of the second air cylinder, a small insertion hole and a large insertion hole are respectively formed in the upper portion and the lower portion of one side of the second clamping plate, a small insertion block and a large insertion block are respectively inserted into the small insertion hole and the large, the lower end of the positioning block is transversely provided with a positioning hole.

As a further optimization of the technical scheme, the sliding structure comprises a sliding groove and a sliding block, the sliding groove is formed in the lower end of the cross beam, the sliding block is connected to the sliding groove in a sliding mode, the lower end of the sliding block is connected to the upper end of the second air cylinder, and the sliding block and the sliding groove are arranged in a T shape.

As a further optimization of the technical scheme, the output end of the second air cylinder is connected to the upper end of the second clamping plate through a connecting plate and a bolt.

As a further optimization of the technical scheme, the middle part of the upper end of the machine base is connected with a processing table.

As further optimization of the technical scheme, the two groups of first cylinders are synchronous cylinders.

As further optimization of the technical scheme, the size of the positioning block is matched with that of the L-shaped jack.

As the further optimization of this technical scheme, one side of second splint, first splint all is equipped with the rubber pad.

As further optimization of the technical scheme, the two groups of second cylinders are synchronous cylinders.

Compared with the prior art, the invention has the beneficial effects that: the clamping device can meet the clamping requirements of large and small accessories during processing respectively, is convenient to connect and separate, has simple and convenient operation procedures of connection, and is high in efficiency and time-saving; the clamping device has the advantages that the clamping device is stable and does not shake in the process of clamping large accessories, the quality of subsequent processing is improved, the phenomenon of large processing errors caused by unstable clamping is avoided, the clamping device is inserted into the L-shaped jack through the positioning block, the first clamping plate and the second clamping plate are connected in a positioning mode, the first clamping plate and the second clamping plate after connection are stably connected through the small insertion block, the large insertion block and the connecting plate, one end of the large insertion block is inserted into the positioning hole of the positioning block, the fixing and stabilizing effect of the first clamping plate and the second clamping plate is enhanced, the stability in the clamping process of the first clamping plate and the second clamping plate is good, when the first clamping plate moves to clamp mechanical accessories during output of the first cylinder, the second clamping plate at the upper end moves to clamp and fix the upper end and the lower end of the mechanical accessories comprehensively, and operations such as punching processing of the mechanical accessories from one side and the upper end are facilitated, the use effect is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural diagram illustrating a state in which the first clamping plate and the second clamping plate are clamped after being connected according to the present invention;

FIG. 3 is a structural diagram illustrating a state in which the first clamping plate and the second clamping plate are completely connected according to the present invention;

FIG. 4 is a schematic diagram of the structure of the positioning block and the L-shaped jack in the plugging state;

FIG. 5 is a schematic diagram of the structure of the large insertion block and the positioning block in the insertion state.

In the figure: 1. a machine base; 2. a side plate; 3. a first cylinder; 4. a first splint; 5. an L-shaped jack; 6. a cross beam; 7. a slider; 8. a chute; 9. a second cylinder; 10. a connecting plate; 11. a second splint; 12. a rubber pad; 13. positioning blocks; 14. positioning holes; 15. a connecting plate; 16. a large insert block; 17. a small insert block; 18. a processing table; 19. a small jack; 20. a large jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that a referred mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an automatic change clamping device for machining, includes frame 1, curb plate 2 is installed respectively to the upper end both sides of frame 1, one side of curb plate 2 is connected with first cylinder 3, the output of first cylinder 3 is connected with first splint 4, the upper end of first splint 4 is equipped with L type jack 5, the upper end of L type jack 5 and the upper end intercommunication of first splint 4, the lower extreme of L type jack 5 and the outside intercommunication of first splint 4, the top of curb plate 2 is connected with crossbeam 6, the lower extreme both sides of crossbeam 6 are respectively through sliding construction install second cylinder 9, the output of second cylinder 9 is equipped with second splint 11, small insertion hole 19 and big insertion hole 20 are equipped with respectively to one side of second splint 11 from top to bottom, peg graft respectively in small insertion hole 19 and the big insertion hole 20 and have small inserted block 17, big inserted block 16, small inserted block 17, One end of the large insertion block 16 is connected through a connecting plate 15, the lower end of the second clamping plate 11 is connected with a positioning block 13, and the lower end of the positioning block 13 is transversely provided with a positioning hole 14.

Specifically, sliding structure includes spout 8, slider 7, the lower extreme of crossbeam 6 is seted up to spout 8, slider 7 slips to in the spout 8, the lower extreme of slider 7 is connected to the upper end of second cylinder 9, and slider 7, spout 8 are the setting of T type, play and make second cylinder 9 can be connected the back along with second splint 11 and first splint 4 and remove thereupon, cooperate to enlarge the centre gripping area and carry out the slip of moving after, and keep the slip process stability good. Specifically, the output end of the second cylinder 9 is connected to the upper end of the second clamping plate 11 through the connecting plate 10 and the bolt, so that the installation and the disassembly are convenient, the overhaul and the replacement are convenient, the time cost is saved, and the working efficiency is improved. Specifically, the middle part of the upper end of the machine base 1 is connected with a processing table 18, the upper end of the processing table 18 is processed, the upper end of the processing table 18 is provided with a rubber coating, abrasion to the bottom of a mechanical part cannot be caused, and the processing table 18 is higher than the machine base 1 so as to be convenient to clean. Specifically, two sets of first cylinders 3 are synchronous cylinders, and the output end of first cylinder 3 carries out the centre gripping fixedly to the machine parts of putting in the middle part of 18 upper ends of processing platform, and then is convenient for carry out the processing work on next step and goes on in order. Specifically, the size of locating piece 13 and the size phase-match of L type jack 5, locating piece 13 plug-in connection to L type jack 5 for first splint 4 accomplishes the location with second splint 11 and is connected, has enlarged machine parts's clamping area, can select to use according to the machine parts size of processing, and the stable effect of guarantee centre gripping afterwards is enlarged in the area, and then improves the quality of machine parts processing on next step. Specifically, one side of second splint 11, first splint 4 all is equipped with rubber pad 12, prevents to cause the wearing and tearing damage to machine parts's outside, can also play better anti-skidding stabilizing effect simultaneously, improves clamping performance. Specifically, the two groups of second cylinders 9 are synchronous cylinders, the second cylinders 9 synchronously output to enable the second clamping plates 11 at the lower ends to be downwards close to the first clamping plates 4, meanwhile, the positioning blocks 13 are inserted into the L-shaped jacks 5 to enable the first clamping plates 4 and the second clamping plates 11 to be connected in a positioning manner, the connected first clamping plates 4 and the second clamping plates 11 are stably connected through the small insertion blocks 17, the large insertion blocks 16 and the connecting plates 15, so that when the first clamping plates 4 move to clamp mechanical accessories during output of the first cylinders 3, the second clamping plates 11 at the upper ends move to clamp the mechanical accessories, the upper ends and the lower ends of the mechanical accessories are comprehensively clamped and fixed, operations such as punching and processing of the mechanical accessories from one side and the upper ends are facilitated, in addition, the small jacks 19 and the large jacks 20, the positioning blocks 13 and the L-shaped jacks 5 can be respectively provided with first magnets, one ends of the small insertion blocks 17 and the large insertion blocks 16 can be respectively provided with second magnets, make first magnet second magnet attract back keep connecting stable state, consolidate fixed effect.

Specifically, when the small-sized accessory is machined and clamped, the first air cylinder 3 synchronously outputs the first clamping plates 4 to be close to each other for mechanical clamping, and the clamping is stable, so that the machining process is convenient to carry out; when a large-sized accessory is machined, the clamping area is enlarged and increased by combining the second clamping plate 11 with the first clamping plate 4, so that the clamping use requirement of the large-sized accessory is met, the large-sized accessory is stable and does not shake in the clamping process, the quality of subsequent machining is improved, a large machining error phenomenon caused by unstable clamping is avoided, one end of the second air cylinder 9 is mainly pushed to drive the sliding block 7 to slide in the sliding groove 8, firstly, the positioning block 13 of the second clamping plate 11 faces to the L-shaped jack 5 of the first clamping plate 4 at the lower end, so that the second clamping plate 11 can be accurately connected with the first clamping plate 4 when moving downwards, the positioning can be determined through the scale, the second clamping plate 11 at the lower end is enabled to be downwards close to the first clamping plate 4 through synchronous output of the second air cylinder 9, meanwhile, the positioning block 13 is inserted into the L-shaped jack 5, so that the first clamping plate 4, the connected first clamping plate 4 and the second clamping plate 11 are stably connected through the small insertion block 17, the large insertion block 16 and the connecting plate 15, specifically, the connecting plate 15 is pulled out to leave the first clamping plate 4, the large insertion block 16 at the lower end of the connecting plate 15 is inserted into the L-shaped insertion hole 5, the small insert 17 at the upper end is inserted into the large insert hole 20 of the second clamping plate 11, so that the first clamping plate 4 is connected with the second clamping plate 11, one end of the large insertion block 16 is inserted into the positioning hole 14 of the positioning block 13 to enhance the fixing and stabilizing effect, so that the stability is good in the clamping process of the first clamping plate 4 and the second clamping plate 11, further, when the first clamp plate 4 moves to clamp the mechanical component during the delivery of the first cylinder 3, the second clamp plate 11 at the upper end moves to clamp the mechanical component, the upper end and the lower end of the mechanical part are comprehensively clamped and fixed, so that the mechanical part can be conveniently punched and processed from one side and the upper end.

It should be noted that the start/stop control of the first cylinder 3 and the second cylinder 9 is prior art in the art, and is implemented by a controller in the prior art, for example, a controller in chinese patent CN 201621418973.8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic change clamping device for machining, includes frame (1), its characterized in that: curb plate (2) are installed respectively to the upper end both sides of frame (1), one side of curb plate (2) is connected with first cylinder (3), the output of first cylinder (3) is connected with first splint (4), the upper end of first splint (4) is equipped with L type jack (5), the upper end of L type jack (5) and the upper end intercommunication of first splint (4), the lower extreme of L type jack (5) and the outside intercommunication of first splint (4), the top of curb plate (2) is connected with crossbeam (6), second cylinder (9) are installed through sliding construction respectively to the lower extreme both sides of crossbeam (6), the output of second cylinder (9) is equipped with second splint (11), be equipped with little jack (19) and big jack (20) respectively about one side of second splint (11), peg graft respectively in little jack (19) and big jack (20) and have little inserted block (17), The large inserting block (16), one end of the small inserting block (17) and one end of the large inserting block (16) are connected through a connecting plate (15), the lower end of the second clamping plate (11) is connected with a positioning block (13), and the lower end of the positioning block (13) is transversely provided with a positioning hole (14).

2. The clamping device for automatic machining according to claim 1, wherein: the sliding structure comprises a sliding groove (8) and a sliding block (7), the sliding groove (8) is arranged at the lower end of the cross beam (6), the sliding block (7) is connected to the sliding groove (8) in a sliding mode, the lower end of the sliding block (7) is connected to the upper end of the second air cylinder (9), and the sliding block (7) and the sliding groove (8) are arranged in a T shape.

3. The clamping device for automatic machining according to claim 1, wherein: the output end of the second air cylinder (9) is connected to the upper end of a second clamping plate (11) through a connecting plate (10) and a bolt.

4. The clamping device for automatic machining according to claim 1, wherein: the middle part of the upper end of the machine base (1) is connected with a processing table (18).

5. The clamping device for automatic machining according to claim 1, wherein: the two groups of first cylinders (3) are synchronous cylinders.

6. The clamping device for automatic machining according to claim 1, wherein: the size of the positioning block (13) is matched with that of the L-shaped jack (5).

7. The clamping device for automatic machining according to claim 1, wherein: and rubber pads (12) are arranged on one sides of the second clamping plate (11) and the first clamping plate (4).

8. The clamping device for automatic machining according to claim 1, wherein: and the two groups of second cylinders (9) are synchronous cylinders.